Finding the Fourth Proportional to 94,936.38, 142,351.26 and 31,723.20
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Solution
The fourth proportional to 94,936.38, 142,351.26 and 31,723.20 is: 47,566.99
Step by Step Solution
- Step 1: Write the proportion equation
94,936.38 : 142,351.26 = 31,723.20 : x - Step 2: Convert to fraction form
94,936.38/142,351.26 = 31,723.20/x - Step 3: Cross multiply
94,936.38x = 142,351.26 × 31,723.20 - Step 4: Simplify right side
94,936.38x = 4,515,837,491.23 - Step 5: Solve for x
x = 4,515,837,491.23/94,936.38 - Step 6: Final answer
x = 47,566.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.